allprojects {
	repositories {
		...
		maven { url 'https://jitpack.io' }
	}
}

dependencies {
        compile 'com.github.lmiot:LmiotZxingSDK:1.2'
}

 ZxingSdk.startScan(MainActivity.this, new ZxingSdk.onResultLitener() {
                @Override
                public void result(String result) {
                    Log.d("二维码扫描结果", result);
                }
            });

ZxingSdk.CreateQRCode("https://www.baidu.com/", new ZxingSdk.onQRCodeLitener() {
                @Override
                public void result(Bitmap bitmap) {

                    if(bitmap!=null){
                        mImageView.setImageBitmap(bitmap);
                    }

                }
            });